{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical"], "input": "At the same time , messages aimed at patients appear to place the emphasis on barriers that could exist for patients contemplating intrafamilial communication , while highlighting the benefits families derive from such communication ."}
{"Chemical": []}